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-   -   Passengers told to brace as QLink Dash 8 makes emergency landing (https://www.pprune.org/australia-new-zealand-pacific/640422-passengers-told-brace-qlink-dash-8-makes-emergency-landing.html)

Fris B. Fairing 13th May 2021 21:44

Passengers told to brace as QLink Dash 8 makes emergency landing
 

From Australian Aviation:A QantasLink Dash 8 carrying 64 passengers conducted a priority landing at Brisbane Airport on Thursday after reporting a malfunction within its landing gear.

The problem was later determined to be caused by a “faulty sensor” that reportedly told the pilots in the cockpit that there was a potential issue with the landing gear.

Flight QF2420 was travelling from Newcastle to Brisbane early on Thursday when the problem occurred.

The crew safely landed the aircraft on Runway 2 at 9:21am, nearly an hour later than planned after circling over Brisbane’s Moreton Bay.

Images show that the plane’s landing gear did successfully deploy, meaning the issue pertained to the cockpit’s warning signal rather than the gear itself.

The aircraft was met by emergency services on the runway, and later towed back to the terminal.
If I heard the TV report correctly, it was stated that an engine was shut down on final. I'm just wondering why.

Brakerider 13th May 2021 22:15


Originally Posted by Fris B. Fairing (Post 11044142)
If I heard the TV report correctly, it was stated that an engine was shut down on final. I'm just wondering why.

If you have a left or right gear unsafe indication, the manufacturer recommends shutting down the associated side for obvious reasons.

witwiw 13th May 2021 22:53


landed the aircraft on Runway 2
???????


Otherwise, are there not "witness marks" or visual indicators that can be viewed from the cabin? It wasn't dark to rule out any viewing.
I don't know if it's a certification requirement or somesuch in aircraft. The F27 I flew eons ago had marks where you could visually tell if the gear was down and locked properly. The 737 has periscope type arrangements up front and mid-cabin for the same purpose.



Lookleft 13th May 2021 22:58

Was that runway 2L or runway 2R?

No Idea Either 13th May 2021 23:13

Only the 737 classics witwiw. The ng’s have a double redundant proximity system with double redundant flight deck indications as well.

witwiw 13th May 2021 23:28

Thanks NIE. That's what I was driving at, a secondary facility that one way or another allows for independent confirmation of the gear status in the case of a primary system failure/issue.

Didn't get a go at the NG's before becoming time expired.

pinkpanther1 14th May 2021 00:13


Originally Posted by witwiw (Post 11044186)
Thanks NIE. That's what I was driving at, a secondary facility that one way or another allows for independent confirmation of the gear status in the case of a primary system failure/issue.

Didn't get a go at the NG's before becoming time expired.

The Dash 8 does have a secondary gear down locked indicator, underneath a panel next to the FO seat. From memory it's a downlock verification system.

Fris B. Fairing 14th May 2021 00:40


Originally Posted by Brakerider (Post 11044155)
If you have a left or right gear unsafe indication, the manufacturer recommends shutting down the associated side for obvious reasons.

Presumably that is to prevent prop debris from penetrating the cabin or is there another obvious reason that I have missed? What is the recommendation in the case of both mains showing unsafe?

Car RAMROD 14th May 2021 00:43


Originally Posted by Brakerider (Post 11044155)
If you have a left or right gear unsafe indication, the manufacturer recommends shutting down the associated side for obvious reasons.

Here’s the obvious reasons:

https://www.aviation-accidents.net/j...light-jza8481/


Note the prop blade in this photo:
https://aviation-safety.net/photo/67...-Dash-8-C-GGBF

Capt Fathom 14th May 2021 04:23


Originally Posted by Fris B. Fairing (Post 11044202)
Presumably that is to prevent prop debris from penetrating the cabin or is there another obvious reason that I have missed?
What is the recommendation in the case of both mains showing unsafe?

Shutdown both engines on final! :E

jolihokistix 14th May 2021 04:52

Looking at the headline, surely this might just be newsworthy if the passengers hadn't been told to brace.

Traffic_Is_Er_Was 14th May 2021 08:22


Was that runway 2L or runway 2R?
Good question. I thought BNE had RWY 1 and RWY Other 1.

Capn Bloggs 14th May 2021 09:16


Was that runway 2L or runway 2R?
Doesn't it depend on which way you're facing?

olderairhead 14th May 2021 10:12

Brace, brace, brace
Stay down, stay down, stay down


Obviously the deaf video punter didn't hear or was YouTube glory more important? :mad:​​​​​​​

flyfan 14th May 2021 10:31


Originally Posted by witwiw (Post 11044169)
???????
[...]
The 737 has periscope type arrangements up front and mid-cabin for the same purpose.

Just a little correction: The NG and MAX are not equipped with this kind of system - this is only found on 100-500. Newer series got a second set of gear status indicators on the aft overhead. :ok:

Capt Fathom 14th May 2021 10:47

I think the media reference to Runway 2 was the aircraft landed on Brisbane’s 2nd runway .. aka 19R.

t_cas 14th May 2021 12:25


Originally Posted by Capt Fathom (Post 11044441)
I think the media reference to Runway 2 was the aircraft landed on Brisbane’s 2nd runway .. aka 19R.

🤦‍♂️

……………………………………

🤐

Capt Quentin McHale 14th May 2021 14:06

olderairhead,

One can only hope that the relevant authorities throw the book at him. Yeah, I know, wishful thinking.

Rgds McHale.

601 14th May 2021 14:10

I hope they did a bulb check.

Heavy Metal 14th May 2021 18:15


Originally Posted by Brakerider (Post 11044155)
If you have a left or right gear unsafe indication, the manufacturer recommends shutting down the associated side for obvious reasons.

Recommended post this FEB 1986:


https://cimg1.ibsrv.net/gimg/pprune....7ad15067cd.jpg
C-GPYD. The Dash 8 was seriously damaged on approach into Sault Ste Marie. Shortly after the company took delivery of the aircraft, it landed hard during a cockpit crew training flight. The hard landing caused the aircraft's landing gear to collapse, causing significant damage to the newly acquired plane. Of particular concern to the airline and to de Havilland Canada at the time was the fact that the crash caused one of the engine's propeller blades to violently break away from the engine housing. The blades penetrated the cabin wall of the aircraft, travelled through Row 2 of the aircraft interior and exited through the other side of the cabin sidewall on the opposite side. Since the aircraft was on a training flight, no passengers were on board. The flight crew escaped the aircraft without injury. The aircraft was removed from service and, after months of structural repairs and refurbishment, was returned to active service.

Never quite been happy to sit in the propeller blade row of a Dash 8, since.


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